{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638957599",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4204dfd1cec21840b5955ba0a96387d539bb91da3680571cb41feb7ec74c00d4",
    "signature": "0x6a7f237319500a5b21a77318fba9e08aaa1eefa5cf3797b8443ae10bebd509bc3d97d5a05926d84e2e5ee9a3e069d80b37b6955fc2244963fbd36b80b07736f01c",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}